MIC 285 Exam Questions and Answers
A+ Graded (2025)
norovirus - CORRECT ANSWER-a +ssRNA virus spread fecal orally causing
gastroenteritis, leading to severe vomiting and diarrhea, common in cruise ships,
schools, and nursing homes. preventable by handwashing
polio - CORRECT ANSWER-a +ssRNA virus spread fecal orally causing polio,
which is presented via a fever, headache, and sore throat. severe cases lead to
paralysis and death. preventable via the polio vaccine and hygiene
human papillovirus (hpv) - CORRECT ANSWER-a non-enveloped dsDNA virus
spread through sexual contact or via pregnancy. symptoms are genital warts, and
cervical cancer. this is preventable via the hpv vaccine and safe sex practices
varicella zoster virus (vzv or hhv-3) - CORRECT ANSWER-an enveloped dsDNA
virus spread through airborne droplets or contact with chickenpox/shingles
lesions. presents as chickenpox via rash, and fever affecting children. reactivates
in the dorsal root ganglia in older adults, presenting as a rash. preventable via the
chickenpox and shingles vaccine
herpes simplex virus (hsv-1 and hsv-2) - CORRECT ANSWER-an enveloped
dsDNA virus spread through sexual contact and saliva. rarer is through
pregnancy. hsv-1 presents as oral herpes through cold sores or blisters. hsv-2
presents are genital herpes through ulcers or flu like symptoms. preventable
through safe sex practices
methanobrevibacter smithii - CORRECT ANSWER-this is an archaea shaped as a
bacillus and presented in clusters or chains. normal part of the human gut but
can be implicated in tooth caries (menthane) and gastrointestinal disorders
rotavirus - CORRECT ANSWER-a non-enveloped dsRNA virus spread fecal orally
or rarer through droplets. this presents as rotavirus gastroenteritis leading to
severe pain, dehydration, and diarrhea. leading cause of diarreha in infants and
children worldwide. preventable through the rotavirus vaccine and hygiene.
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mumps orthorubulavirus - CORRECT ANSWER-an enveloped -ssRNA virus
spread through droplets or saliva. diseases are the mumps presented through
swelling of the parotid glands, fever, aches and testicular inflammation, and
meningitis. preventable via the MMR vaccine and good hygiene
rhizopus spp. - CORRECT ANSWER-multi-celluar hyphae forming mold fungi
spread via the inhalation of spores and direct contact with wounds. primarily
affects immunocompromised people and presents are mucormycosis leading to
severe tissue necrosis, and sinus infections. preventable via the avoidance of
contaminated places and proper hygiene. treatable via anti-fungal medications
penicillium spp. - CORRECT ANSWER-multicellular branched hyphae forming
mold fungi spread through airborne spores and direct contamination. usually
non-pathogenic but some species can cause allergies and food spoilage. this is
also where we got penicillin. avoid exposure to moldy environments and ensure
proper food storage
aspergillus spp. - CORRECT ANSWER-multicelluar hyphae forming mold fungus
that is spread through the inhalation of spores and direct contact with
contaminated surfaces. presents as aspergillosis via ABPA (asthma-like) and
fungi balls in lung cavities. avoid exposure to moldy environments and ensure
proper ventilation and humidity control
trichophyton rubrum - CORRECT ANSWER-multicelluar hyphae forming mold
fungus spread through direct contact with infected individuals, objects, and soil.
presents are dermatophytosis or ring worm/athlete's foot. practice good hygiene
and wear protective footwear.
histoplasma capsulatum - CORRECT ANSWER-multicelluar hyphae fungus that
can be in a mold form or yeast form. spread through the inhalation of spores from
the soil infected with bird or bat dropping. common in ohio and the mississippi
river valleys. diseases are histoplamosis or darling's disease, presented via flu-
like symptoms or tuberculosis-like things. avoid exposure to contaminated soil
and use masks in risky environments
coccidiodes immitis - CORRECT ANSWER-a fungus that has a hyphae in it's mold
form and endospores in it's spherule form. spread via the inhalation of spores in
desert soil. found in the southwestern us and presents are coccidiomycosis or
valley fever via a flu-like illness. avoid dust exposure in risky areas.
necator americanus - CORRECT ANSWER-a hookworm or nematode that live as
adult worms in the small intestine. transmitted by direct skin penetration by
larvae. presents as a hookworm infection via rash, anemia, pain, malnutrition, and
stunted growth. wear shoes in risky areas and improve hygiene. treatable via
deworming practices
giardia lamblia - CORRECT ANSWER-a protozoa that is a trophozite in the small
intestine or cyst. spread fecal orally or through water, or zoonotic. diseases are